Ada Merritt K-8 Center, 660 SW Third St.: Pre-K-8, 780 students (NCES 2024-25), an A in Florida's 2026 grades.
Last checked Oct. 10, 2026. Sources: the Miami-Dade County Public Schools school directory, the Ada Merritt K-8 Center website, the Florida Department of Education’s 2026 school grades file and the federal NCES school directory.
Ada Merritt K-8 Center is a pre-K to eighth grade school at 660 SW Third St., between Little Havana and Brickell. The district’s directory calls it a commuter school with no assigned attendance boundary, so families apply instead of being zoned. It earned an A in each of the last three years, with 85% of possible points in 2026.
Who to call
- Front office: 305-326-0791, 660 SW Third St., Miami, FL 33130
- School website: adamerrittk-8center.org
- Magnet and choice questions: the district’s School Choice and Parental Options office, 305-995-1922
- School buses: the district’s transportation department
- District main line: Miami-Dade County Public Schools, 305-995-1000
| Address | 660 SW Third St., Miami, FL 33130 |
| Phone | 305-326-0791 |
| Grades | Pre-K to 8 |
| Mascot | Lion |
| Type | Commuter school, no attendance zone |
| State school number | 13-3191 |
Principal
Principal Maria E. Gancedo-Guzman, according to the district’s school directory.
Enrollment
The federal NCES directory counted 780 students in the 2024-25 school year, with 47 full-time-equivalent classroom teachers, a ratio of 16.6 students per teacher. The district’s online directory currently lists 754 students against a capacity of 707; it does not give a date for that count.
Programs
The school’s website describes a dual language international education program and an International Baccalaureate program.
State report card
Florida grades every public school A to F. The state says school grades “provide an easily understandable way to measure the performance of a school,” in its 2026 school grades overview.
| School year | Grade |
|---|---|
| 2025-26 | A (85% of possible points) |
| 2024-25 | A |
| 2023-24 | A |
From the 2026 grades file, where achievement is the share of tested students at grade level or above:
- Third grade English language arts achievement: 89%
- English language arts achievement: 91%
- Math achievement: 94%
- Science achievement: 84%
- Social studies achievement: 98%
- Middle school acceleration: 95%
The full report card is on the state’s Florida school report cards site.
How to apply
As a commuter school, Ada Merritt has no assigned attendance boundary, the district’s directory says, and it refers families to School Choice and Parental Options at 305-995-1922. District choice and magnet applications go through the district’s application site, open Oct. 1 to Jan. 15.
Calendar and bell times
From the district’s directory:
- Pre-K, kindergarten and first grade: 8:20 a.m. to 1:50 p.m.
- Grades 2 to 8: 8:35 a.m. to 3:05 p.m.
- Grades 2 to 8, Wednesdays: 8:35 a.m. to 1:50 p.m.
Next breaks on the district’s 2026-27 calendar (PDF):
- Friday, Oct. 16: end of the first grading period
- Tuesday, Nov. 3: teacher planning day, no students
- Wednesday, Nov. 11: Veterans Day, schools closed
- Nov. 26-27: Thanksgiving holiday and recess day
- Dec. 21 to Jan. 1: winter recess
More on Miami schools
- The district’s page for Ada Merritt K-8 Center
- Every public school in Miami
- Our Miami schools guide for the district calendar, registration and grades
Frequently asked questions
What grades does Ada Merritt K-8 Center serve?
Pre-K through eighth grade, at 660 SW Third St., Miami.
What is Ada Merritt K-8 Center’s school grade?
It earned an A in Florida’s 2026 school grades for the 2025-26 school year, with 85% of possible points, after an A in 2025.
What time does Ada Merritt K-8 Center start?
Pre-K, kindergarten and first grade, 8:20 a.m. to 1:50 p.m.; Grades 2 to 8, 8:35 a.m. to 3:05 p.m.; Grades 2 to 8, Wednesdays, 8:35 a.m. to 1:50 p.m.. From the district’s school directory.
Have your say